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Believe it or not! Another kill-chill is on its way

- Brewing cyclonic storm in the Bay of Bengal likely to push up temperatures around midweek

Capital Ranchi may have nosedived to a bone-numbing 7.1°C — its lowest minimum this season — but the chill will sadly be short-lived.

The Patna Meteorological Centre, in its long-term forecast issued on Monday, said the Celsius would climb after the next 72 hours, courtesy yet another low-pressure system building in the Bay of Bengal.

“A low-pressure trough forming over the south-west Bay is showing signs of turning into a depression and later into a cyclonic storm. This storm is likely to make landfall in Odisha. As an impact, several parts of Jharkhand may even witness rain around December 8,” said A.K. Sen, the director of Patna Met office.

The Regional Meteorological Centre in Calcutta corroborated the analysis on the atmospheric circulation. “We are keeping tabs on the movement of the brewing storm. Chart analysis suggests it will head towards the Odisha coast. If that happens, temperatures will witness unusual rise in Jharkhand after 72 hours following heavy moisture incursion and formation of clouds,” explained a duty officer.

The weatherman added that an exact forecast on the movement of the low-pressure area could be made after 24 hours. “Our observations suggest that whenever low pressure forms over the Bay during this time (till December 15), it gets converted into a depression and then into a cyclonic storm. Phailin, Helen and Lehar are some examples,” he said.

Monday’s temperature plunge owed it to the north wind. Several places, including Ranchi, Daltonganj, Koderma, Khunti, Latehar, Simdega and Pakur registered night readings below 10°C.

“Sharp gusts of the north-westerly in the past 24 hours have dragged down the minimum across state,” said B.N. Chaudhary, a senior forecast official in Patna.

The capital’s minimum of 7.1°C was three notches below normal. On Sunday, Ranchi was a tad warmer at 9.2°C. Kanke, on its outskirts, recorded 6.1°C on Monday, again three notches below normal. Steel city Jamshedpur flaunted its season’s lowest of 12°C, a degree below normal. The local weather office had reported 15.3°C on Sunday.

Heat chamber Daltonganj went cold 10.2°C, three notches below normal. The Palamau headquarters had recorded 10.3°C on Sunday. Bokaro chilled at 10°C compared to Sunday’s 14.5°C, while coal capital Dhanbad recorded 11.2°C, diving a couple of degrees in 24 hours.

The days, however, were comparatively hotter, with the maximum hovering between 25°C and 28°C.